HAMMER_BLOCKMAP_LAYER2_DOALIGN
aligned_vol_free_end = HAMMER_BLOCKMAP_LAYER2_DOALIGN(volume->vol_free_end);
aligned_vol_free_end = HAMMER_BLOCKMAP_LAYER2_DOALIGN(volume->vol_free_end);
aligned_vol_free_end = HAMMER_BLOCKMAP_LAYER2_DOALIGN(vol_free_end);
aligned_vol_free_end = HAMMER_BLOCKMAP_LAYER2_DOALIGN(vol_free_end);
aligned_vol_free_end = HAMMER_BLOCKMAP_LAYER2_DOALIGN(vol_free_end);